Add a new slide to your portfolio considering the following questions: 

1. Are you a member of multiple social networking sites?
2. Do you visit your social networking sites with no goal or specific purpose in mind?
3. Are you usually surprised by how much time you spend on a social networking site?
4. Have you ever said no to an activity with your family or friends because of social networking sites?
5. Have you ever ignored a responsibility like homework or chores because of social networking sites?
6. Do you ever stay up late or get up early to spend more time on social networking sites?
7. Have you ever hidden your time on social networking sites from family or friends?
8. Have you ever used social networking sites when a parent or teacher has told you not to?
9. Do you prefer to interact with people on social networking sites rather than face to face?
10. Has anyone ever commented on how much time you spend on social networking sites?
11. Do you have more friends on your social networking sites than you do in your real life?
12. Do you become frustrated or angry when a social networking site goes down or is unavailable?

source: http://www.teenissues.co.uk/addicted-social-networking-sites.html